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                        Introduction
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            <span><b>1.</b> 面向对象</span>
            
            
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                            <b>1.1.</b>
                        
                        面向对象概念介绍
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                            <b>1.2.</b>
                        
                        面向对象编程举例
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                            <b>1.3.</b>
                        
                        构造函数
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                            <b>1.4.</b>
                        
                        面向对象的三大特性
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            <span><b>1.5.</b> 原型</span>
            
            
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                        传统构造函数存在的问题
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                            <b>1.5.3.</b>
                        
                        原型相关概念
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                            <b>1.5.4.</b>
                        
                        原型的使用
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                            <b>1.5.5.</b>
                        
                        \_\_proto\_\_
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                            <b>1.6.</b>
                        
                        继承的实现方式
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                            <b>1.7.</b>
                        
                        原型三角绘制
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                        属性搜索原则
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            <span><b>1.9.</b> 原型链</span>
            
            
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                            <b>1.9.1.</b>
                        
                        原型链结构
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                            <b>1.9.2.</b>
                        
                        原型式继承
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            <span><b>1.10.</b> 对象相关的其他知识</span>
            
            
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                            <b>1.10.1.</b>
                        
                        Object.prototype成员介绍
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                            <b>1.10.2.</b>
                        
                        Function
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                        Function的使用
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                        静态成员和实例成员
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                        arguments对象
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                        <h1 id="&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7F16;&#x7A0B;&#x4E3E;&#x4F8B;">&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7F16;&#x7A0B;&#x4E3E;&#x4F8B;</h1>
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<p>&#x8BBE;&#x7F6E;&#x9875;&#x9762;&#x4E2D;&#x7684;<code>div</code>&#x548C;<code>p</code>&#x7684;&#x8FB9;&#x6846;&#x4E3A;<code>1px solid red</code></p>
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<h2 id="&#x4F20;&#x7EDF;&#x7684;&#x5904;&#x7406;&#x529E;&#x6CD5;">&#x4F20;&#x7EDF;&#x7684;&#x5904;&#x7406;&#x529E;&#x6CD5;</h2>
<pre><code class="lang-js"><span class="hljs-comment">// &#x4EFB;&#x52A1;&#x9700;&#x6C42;:</span>
<span class="hljs-comment">// 1&gt; &#x83B7;&#x53D6;div&#x6807;&#x7B7E;</span>
<span class="hljs-keyword">var</span> divs = <span class="hljs-built_in">document</span>.getElementsByTagName( <span class="hljs-string">&apos;div&apos;</span> );
<span class="hljs-comment">// 2&gt; &#x904D;&#x5386;&#x83B7;&#x53D6;&#x5230;&#x7684;div&#x6807;&#x7B7E;</span>
<span class="hljs-keyword">for</span>(<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>; i &lt; divs.length; i++) {
    <span class="hljs-comment">//3&gt; &#x83B7;&#x53D6;&#x5230;&#x6BCF;&#x4E00;&#x4E2A;div&#x5143;&#x7D20;,&#x8BBE;&#x7F6E;div&#x7684;&#x6837;&#x5F0F;</span>
    divs[i].style.border = <span class="hljs-string">&quot;1px dotted black&quot;</span>;
}

<span class="hljs-comment">// 4&gt; &#x83B7;&#x53D6;p&#x6807;&#x7B7E;</span>
<span class="hljs-keyword">var</span> ps = <span class="hljs-built_in">document</span>.getElementsByTagName(<span class="hljs-string">&quot;p&quot;</span>);
<span class="hljs-comment">// 5&gt; &#x904D;&#x5386;&#x83B7;&#x53D6;&#x5230;&#x7684;p&#x6807;&#x7B7E;</span>
<span class="hljs-keyword">for</span>(<span class="hljs-keyword">var</span> j = <span class="hljs-number">0</span>; j &lt; ps.length; j++) { 
    <span class="hljs-comment">// &#x83B7;&#x53D6;&#x5230;&#x6BCF;&#x4E00;&#x4E2A;div&#x5143;&#x7D20; &#x8BBE;&#x7F6E;p&#x6807;&#x7B7E;&#x7684;&#x6837;&#x5F0F;</span>
    ps[j].style.border = <span class="hljs-string">&quot;1px dotted black&quot;</span>; 
}
</code></pre>
<h2 id="&#x4F7F;&#x7528;&#x51FD;&#x6570;&#x8FDB;&#x884C;&#x5C01;&#x88C5;&#x4F18;&#x5316;">&#x4F7F;&#x7528;&#x51FD;&#x6570;&#x8FDB;&#x884C;&#x5C01;&#x88C5;&#x4F18;&#x5316;</h2>
<pre><code class="lang-js"><span class="hljs-comment">// &#x901A;&#x8FC7;&#x6807;&#x7B7E;&#x540D;&#x5B57;&#x6765;&#x83B7;&#x53D6;&#x9875;&#x9762;&#x4E2D;&#x7684;&#x5143;&#x7D20; </span>
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">tag</span>(<span class="hljs-params">tagName</span>) </span>{ 
    <span class="hljs-comment">// var dvs = document.getElementsByTagName(tagName); </span>
    <span class="hljs-comment">// return dvs; </span>
    <span class="hljs-keyword">return</span> <span class="hljs-built_in">document</span>.getElementsByTagName(tagName); 
}

<span class="hljs-comment">// &#x5C01;&#x88C5;&#x4E00;&#x4E2A;&#x8BBE;&#x7F6E;&#x6837;&#x5F0F;&#x7684;&#x51FD;&#x6570; </span>
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">setStyle</span>(<span class="hljs-params">arr</span>) </span>{ 
    <span class="hljs-keyword">for</span>(<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>; i &lt; arr.length; i++) { 
        <span class="hljs-comment">// &#x83B7;&#x53D6;&#x5230;&#x6BCF;&#x4E00;&#x4E2A;div&#x5143;&#x7D20; </span>
        arr[i].style.border = <span class="hljs-string">&quot;1px solid #abc&quot;</span>; 
    } 
}
<span class="hljs-keyword">var</span> dvs = tag(<span class="hljs-string">&quot;div&quot;</span>);
<span class="hljs-keyword">var</span> ps = tag(<span class="hljs-string">&quot;p&quot;</span>);
setStyle(dvs); 
setStyle(ps);
</code></pre>
<h2 id="&#x4F7F;&#x7528;&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x65B9;&#x5F0F;">&#x4F7F;&#x7528;&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7684;&#x65B9;&#x5F0F;</h2>
<pre><code class="lang-js"><span class="hljs-comment">// &#x66F4;&#x597D;&#x7684;&#x505A;&#x6CD5;&#xFF1A;&#x662F;&#x5C06;&#x529F;&#x80FD;&#x76F8;&#x8FD1;&#x7684;&#x4EE3;&#x7801;&#x653E;&#x5230;&#x4E00;&#x8D77; </span>
<span class="hljs-keyword">var</span> itcast = { 
    getEle: { 
        tag: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">tagName</span>) </span>{ 
            <span class="hljs-keyword">return</span> <span class="hljs-built_in">document</span>.getElementsByTagName(tagName); 
        }, 
        id: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">idName</span>) </span>{ 
            <span class="hljs-keyword">return</span> <span class="hljs-built_in">document</span>.getElementById(idName); 
        } 
    },    
    setCss: { 
        setStyle: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">arr</span>) </span>{ 
            <span class="hljs-keyword">for</span>(<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>; i &lt; arr.length; i++) { 
                arr[i].style.border = <span class="hljs-string">&quot;1px solid #abc&quot;</span>; 
            } 
        }, 
        css: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>) </span>{}, 
        addClass: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>) </span>{}, 
        removeClass: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>) </span>{} 
        <span class="hljs-comment">// ... </span>
    } 
    <span class="hljs-comment">// &#x5C5E;&#x6027;&#x64CD;&#x4F5C;&#x6A21;&#x5757; </span>
    <span class="hljs-comment">// &#x52A8;&#x753B;&#x6A21;&#x5757; </span>
    <span class="hljs-comment">// &#x4E8B;&#x4EF6;&#x6A21;&#x5757; </span>
    <span class="hljs-comment">// ... </span>
};

<span class="hljs-keyword">var</span> divs = itcast.getEle.tag();
itcast.setCss.setStyle(divs);
</code></pre>

                    
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